Lemon squeezer



FIG. 1 is a perspective view of a lemon squeezer in a fully opened position, showing my new design;

FIG. 2 is another perspective view thereof in its fully closed position;

FIG. 3 is a plan view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a left side view thereof. 

The ornamental design for a lemon squeezer, as shown and described. 